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Diffstat (limited to 'hw/s390x/css.c')
-rw-r--r--hw/s390x/css.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 95d3d34..f6b5c80 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -1347,28 +1347,24 @@ static void copy_schib_from_guest(SCHIB *dest, const SCHIB *src)
}
}
-int css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
+IOInstEnding css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
{
SCSW *s = &sch->curr_status.scsw;
PMCW *p = &sch->curr_status.pmcw;
uint16_t oldflags;
- int ret;
SCHIB schib;
if (!(sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_DNV)) {
- ret = 0;
- goto out;
+ return IOINST_CC_EXPECTED;
}
if (s->ctrl & SCSW_STCTL_STATUS_PEND) {
- ret = -EINPROGRESS;
- goto out;
+ return IOINST_CC_STATUS_PRESENT;
}
if (s->ctrl &
(SCSW_FCTL_START_FUNC|SCSW_FCTL_HALT_FUNC|SCSW_FCTL_CLEAR_FUNC)) {
- ret = -EBUSY;
- goto out;
+ return IOINST_CC_BUSY;
}
copy_schib_from_guest(&schib, orig_schib);
@@ -1395,11 +1391,7 @@ int css_do_msch(SubchDev *sch, const SCHIB *orig_schib)
&& (p->flags & PMCW_FLAGS_MASK_ENA) == 0) {
sch->disable_cb(sch);
}
-
- ret = 0;
-
-out:
- return ret;
+ return IOINST_CC_EXPECTED;
}
IOInstEnding css_do_xsch(SubchDev *sch)